Philadelphia Opera Company
E359310
The Philadelphia Opera Company was an early 20th-century American opera company founded and run by impresario Oscar Hammerstein I, known for presenting grand opera productions in Philadelphia.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Philadelphia Opera Company canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3461914 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Philadelphia Opera Company Context triple: [Oscar Hammerstein I, notableWork, Philadelphia Opera Company]
-
A.
Philadelphia Orchestra
The Philadelphia Orchestra is one of the United States’ “Big Five” symphony orchestras, renowned worldwide for its rich, distinctive sound and long history of acclaimed performances and recordings.
-
B.
Chamber Orchestra of Philadelphia
The Chamber Orchestra of Philadelphia is a professional ensemble based in Philadelphia, known for performing a wide-ranging repertoire of classical and contemporary works in an intimate orchestral setting.
-
C.
New York City Opera
New York City Opera was a major American opera company based in New York City, known for its innovative productions, accessible ticket prices, and support of new works and emerging artists.
-
D.
Pittsburgh Symphony Orchestra
The Pittsburgh Symphony Orchestra is a major American symphony orchestra based in Pittsburgh, Pennsylvania, renowned for its rich recording history and international tours.
-
E.
Walnut Street Theatre
Walnut Street Theatre is a historic Philadelphia playhouse recognized as one of the oldest continuously operating theatres in the United States.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Philadelphia Opera Company Target entity description: The Philadelphia Opera Company was an early 20th-century American opera company founded and run by impresario Oscar Hammerstein I, known for presenting grand opera productions in Philadelphia.
-
A.
Philadelphia Orchestra
The Philadelphia Orchestra is one of the United States’ “Big Five” symphony orchestras, renowned worldwide for its rich, distinctive sound and long history of acclaimed performances and recordings.
-
B.
Chamber Orchestra of Philadelphia
The Chamber Orchestra of Philadelphia is a professional ensemble based in Philadelphia, known for performing a wide-ranging repertoire of classical and contemporary works in an intimate orchestral setting.
-
C.
New York City Opera
New York City Opera was a major American opera company based in New York City, known for its innovative productions, accessible ticket prices, and support of new works and emerging artists.
-
D.
Pittsburgh Symphony Orchestra
The Pittsburgh Symphony Orchestra is a major American symphony orchestra based in Pittsburgh, Pennsylvania, renowned for its rich recording history and international tours.
-
E.
Walnut Street Theatre
Walnut Street Theatre is a historic Philadelphia playhouse recognized as one of the oldest continuously operating theatres in the United States.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
opera company
ⓘ
performing arts organization ⓘ |
| activeInCentury | 20th century ⓘ |
| activeInPeriod | early 20th century ⓘ |
| artForm | opera ⓘ |
| associatedWith | Oscar Hammerstein I ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| foundedBy | Oscar Hammerstein I ⓘ |
| foundedInCity | Philadelphia ⓘ |
| genre | grand opera ⓘ |
| hasArtisticFocus | grand opera repertoire ⓘ |
| hasImpresario | Oscar Hammerstein I ⓘ |
| hasMainActivity | staging opera productions ⓘ |
| historicalSignificance | one of the early 20th-century American grand opera companies ⓘ |
| industry | opera ⓘ |
| languageOfPerformance |
French
ⓘ
German ⓘ Italian ⓘ |
| locatedIn |
Pennsylvania
ⓘ
Philadelphia ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| notableFor | grand opera productions in Philadelphia ⓘ |
| operatedBy | Oscar Hammerstein I ⓘ |
| partOf | American opera history ⓘ |
| regionServed | Philadelphia metropolitan area ⓘ |
| serviceArea | Philadelphia ⓘ |
| typeOfOrganization | for-profit performing arts company ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Philadelphia Opera Company Description of subject: The Philadelphia Opera Company was an early 20th-century American opera company founded and run by impresario Oscar Hammerstein I, known for presenting grand opera productions in Philadelphia.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.